Tranco rank 1,836
oreilly.com
oreilly.com scores 84 out of 100 for agent readiness. It blocks 3 of 11 answer-surface AI crawlers.
Score 84 out of 100, grade B
- Last measured
- 2026-08-09 18:15 UTC
- First seen
- 2026-08-09
- Rubric / probe
- v1.0.0 / v2.0.0
Served through Akamai. Compare against everything else on the same stack.
How this score is made up
Agent access33.5 / 45
- Answer-surface crawlers allowed. 3 of 11 blocked: GPTBot, Google-Extended, meta-externalagent.
- Secondary crawlers allowed. 5 of 12 blocked: CCBot, Amazonbot, Bytespider, cohere-ai, Diffbot.
- Serves crawlers the same content. A crawler and a browser receive comparable responses.
Machine-readable surface20 / 25
- robots.txt published. robots.txt is present and parseable.
- Sitemap declared in robots.txt. robots.txt points crawlers at a sitemap.
- llms.txt published. /llms.txt is served and its structure matches the spec.
- agents.md published. No /agents.md.
Content structure30 / 30
- Organization schema. Organization JSON-LD lets an agent resolve who publishes this site.
- WebSite schema. WebSite JSON-LD present.
- Additional structured data. Also declares: WebPage.
- Readable without JavaScript. 7,617 characters of text in the server response. Most crawlers do not execute JavaScript.
- Single top-level heading. 1 h1 element found.
- Semantic landmarks. Uses main, nav, header, footer.
Crawler policy
Read from oreilly.com/robots.txt. A crawler is listed as blocked when the rules deny it the site root. This operator names 18 AI crawlers explicitly, which means the policy is deliberate rather than inherited from a wildcard rule.
| Crawler | Operator | Tier | Named | Status |
|---|---|---|---|---|
| GPTBot | OpenAI | 1 | yes | Blocked |
| OAI-SearchBot | OpenAI | 1 | yes | Allowed |
| ChatGPT-User | OpenAI | 1 | yes | Allowed |
| ClaudeBot | Anthropic | 1 | yes | Allowed |
| Claude-User | Anthropic | 1 | no | Allowed |
| Claude-SearchBot | Anthropic | 1 | yes | Allowed |
| PerplexityBot | Perplexity | 1 | yes | Allowed |
| Perplexity-User | Perplexity | 1 | yes | Allowed |
| Google-Extended | 1 | yes | Blocked | |
| Applebot-Extended | Apple | 1 | yes | Allowed |
| meta-externalagent | Meta | 1 | yes | Blocked |
| CCBot | Common Crawl | 2 | yes | Blocked |
| Amazonbot | Amazon | 2 | yes | Blocked |
| Bytespider | ByteDance | 2 | yes | Blocked |
| cohere-ai | Cohere | 2 | yes | Blocked |
| MistralAI-User | Mistral | 2 | yes | Allowed |
| YouBot | You.com | 2 | yes | Allowed |
| DuckAssistBot | DuckDuckGo | 2 | yes | Allowed |
| kagi-fetcher | Kagi | 2 | no | Allowed |
| Diffbot | Diffbot | 2 | yes | Blocked |
| Google-NotebookLM | 2 | no | Allowed | |
| TavilyBot | Tavily | 2 | no | Allowed |
| FirecrawlAgent | Firecrawl | 2 | no | Allowed |
Show this score
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<a href="https://crawlindex.org/site/oreilly.com"><img src="https://crawlindex.org/badge/oreilly.com.svg" alt="CrawlIndex agent readiness score for oreilly.com" width="196" height="28"></a>Using these figures
Free to reuse in research, journalism or a product under CC BY 4.0, with credit to Fidget Labs BV. Quote the measurement date so the claim stays checkable as the index moves.
CrawlIndex by Fidget Labs BV. "oreilly.com agent readiness." https://crawlindex.org (measured 2026-08-09). Licensed CC BY 4.0.